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package com.cas.struts.action;

import com.cas.dbaccess.CASDBAccessfactory;
import com.cas.hibernate.entity.CasUser;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.DynaActionForm;

/**
 *
 * @author suraj
 */
public class LoginAction extends org.apache.struts.action.Action {

    /* forward name="success" path="" */
    private static final String SUCCESS = "success";

    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        
        DynaActionForm dForm = (DynaActionForm)form;
        String userName = dForm.getString("userName");
        String pwd = dForm.getString("password");
        
        CasUser user = new CasUser();
        user.setUserId(userName);
        user.setPassword(pwd);
        if(CASDBAccessfactory.getCASDbAccess().validateUser(user) != null)
        {
            System.out.println("Found user " + userName +". Login success.");
            return mapping.findForward(SUCCESS);
        }
        
        System.out.println("Login failure.");
        
        ActionMessages messages = new ActionMessages();
        messages.add("invalidLogin", new ActionMessage("loginForm.invalid.login"));
        saveErrors(request, messages);
        
        return mapping.getInputForward();
    }
}
